Calculation of Integral square error from Simulink

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Rakesh Jain
Rakesh Jain 2017-8-30
编辑： Rakesh Jain 2017-8-30
I have a control system model in simulink. Using "to workspace" block, I have taken the output y and time t from the clock to Matlab workspace. I wish to find error in a similar way as given below. The problem is that t is not having equal intervals. deltat is not constant from the clock data. If deltat is constant, then I can find integral square error. What should I do?
err = 1-y;
deltat = 0.1;
ise = trapz(deltat,err.^2);

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